Results: PTGER1 revealed significant (P < 0.05) expression in four cancer types; it was downregulated in kidney chromophobe (KICH) and kidney renal cell carcinoma (KIRC), uterine corpus endometrial cancer (UCEC), and upregulated in liver hepatocellular carcinoma (LIHC). The gene discussed is PTGER1; the disease is urogenital neoplasm.